LTM2881 查看數據表（PDF） - Linear Technology
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LTM2881 Datasheet PDF : 24 Pages
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LTM2881
Typical Applications
VCC
VCC
VL
RO
RE
TE
DE
DI
330k
DOUT
FAULT
GND
LTM2881
A
B
GND2
Y
Z
DIN
2881 F19
Figure 19. Isolated System Fault Detection
VCC
VCC
VL
RO
RE
TE
DE
DI
GND
LTM2881
PWR
A
B
GND2
Y
Z
2881 F20
Figure 20. Full-Duplex RS485 Connection
VCC
1.8V
VCC
VL
RO
RE
TE
DE
OFF ON
DI
DOUT
CMOS OUTPUT GND
PWR
LTM2881
GND2
VCC2
REGULATED 5V
SWITCHED 5V
A
B
IRLML6402
330k
Z
DIN
CMOS INPUT
2881 F21
Figure 21. Switched 5V Power with Isolated CMOS Logic Connection with Low Voltage Interface
VCC
VCC
VL
RO
RE
DE
DI
GND
20
PWR
LTM2881
A
B
Y
Z
GND2
51Ω
10nF 51Ω
LTM2881
PWR
Y
Z
51Ω
A
B
51Ω
10nF
GND2
BUS INHERITED
VCCB
VCC VL
DE
DI
RE
RO
GND
B
2881 F22
Figure 22. 4-Wire Full Duplex Self Biasing for Unshielded CAT5 Connection
For more information www.linear.com/LTM2881
2881fh
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